memory-database topic
datascript
Immutable database and Datalog query engine for Clojure, ClojureScript and JS
snappydata
Project SnappyData - memory optimized analytics database, based on Apache Spark™ and Apache Geode™. Stream, Transact, Analyze, Predict in one cluster
AvanceDB
An in-memory database based on the CouchDB REST API and containing the CouchDB Futon and Fauxton web sites
pyramid
A library for storing and querying graph data in Clojure
MasterMemory
Embedded Typed Readonly In-Memory Document Database for .NET and Unity.
arraybase
Pure PHP SQL Like Query Language To Manipulate Arrays.
Nebuchadnezzar
High Performance Key-Value Store
escanor
High performance key value database with useful json document indexing and manipulations.